Tube Tester Restoration and Calibration
Hickok brand tube testers.
This is a Hickok 600A that has been repaired and calibrated. The meter is new. The power cord and shorts
This is a Hickok 534 that I repaired and calibrated for a Customer. The Customer asked me to wire a
This is a Hickok 752A that I restored electronically and calibrated. This is a very nice tester and is very
This 539C was not working because all three meters were bad. The meters were replaced with digital meter replacements and
Hickok 6000A Mutual Conductance Tube Tester.
Hickok 750 Mutual Conductance Tube Tester.
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